Final answer:
The noun form related to 'illicit' is 'illicitness,' which describes the state of being unlawful. It is often used in the context of illegal substances and digital shadowlands, including activities such as drug trade, piracy, and human trafficking.
Step-by-step explanation:
The noun form related to the adjective illicit is illicitness. The term illicit refers to something that is unlawful or not permitted by law or social custom. In context, illicitness would refer to the state or quality of being illegal or forbidden. This term is particularly relevant when discussing illegal substances such as drugs and alcohol, which are significant contributors to criminal activity.
Furthermore, with the advent of digital shadowlands, the term has extended to cover the unlawful nature of activities like piracy, human trafficking, and other forms of illicit media. During historical events such as Prohibition, which aimed at curtailing alcohol consumption, the term described various forms of illegal importation and sale of alcohol, leading to a rise in organized crime and the establishment of speakeasies.